Enter a value from 0 to 2 (Since a circle is 2pi) and the prog shows the radius position on the circle with the X and Y, gives the value in Degree, in pi and in radian. Tan and the Quadrant are also shown. --- [Ie. for 1/4= 45°, 1st quadrant, 0.25pi rad, tan:1 X: 0.707106 Y :0.707106.]